<template>
  <div class="wrapper">
    <img class="wrapper__img" src='http://www.dell-lee.com/imgs/vue3/user.png' />
    <div class="wrapper__input">
      <input
        class="wrapper__input__content"
        placeholder="用户名"
        v-model="username"
      />
    </div>
     <div class="wrapper__input">
      <input
        type="password"
        class="wrapper__input__content"
        placeholder="请输入密码"
        v-model="password"
        autocomplete="new-password"
      />
    </div>
    <div class="wrapper__login-button" @click="handleLogin">登陆</div>
    <div class="wrapper__login-link" @click="handleRegisterClick">立即注册</div>
    <Toast v-if="show" :message="toastMessage"/>
  </div>
</template>

<script>
import { reactive, toRefs } from 'vue'
import { useRouter } from 'vue-router'
import { get } from '../../utils/request'
import Toast, { useToastEffect } from '../../components/Toast'

// 处理注册逻辑
const useLoginEffect = (showToast) => {
  const router = useRouter()
  const data = reactive({ username: '', password: '' })

  const handleLogin = async () => {
    try {
      // const result = await post('/api/user/login', {
      const result = await get('/mock/login.json', {
        username: data.username,
        password: data.password
      })
      if (result?.errno === 0) {
        localStorage.isLogin = true
        router.push({ name: 'Home' })
      } else {
        showToast('登陆失败')
      }
    } catch (e) {
      showToast('请求失败')
    }
  }

  const { username, password } = toRefs(data)
  return { username, password, handleLogin}
}

// 处理注册跳转
const useRegisterEffect = () => {
  const router = useRouter()
  const handleRegisterClick = () => {
    router.push({ name: 'Register' })
  }
  return { handleRegisterClick }
}

export default {
  name: 'Login',
  components: { Toast },
  // 职责就是告诉你，代码执行的一个流程
  setup () {
    const { show, toastMessage, showToast } = useToastEffect()
    const { username, password, handleLogin } = useLoginEffect(showToast)
    const { handleRegisterClick } = useRegisterEffect()

    return {
      username, password, show, toastMessage,
      handleLogin, handleRegisterClick,
    }
  }
}
</script>

<style lang="scss" scoped>
@import '../../style/viriables.scss';
.wrapper {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  &__img {
    display: block;
    margin: 0 auto .4rem auto;
    width: .66rem;
    height: .66rem;
  }
  &__input {
    height: .48rem;
    margin: 0 .4rem .16rem .4rem;
    padding: 0 .16rem;
    background: #F9F9F9;
    border: .01rem solid rgba(0,0,0,0.10);
    border-radius: .06rem;
    border-radius: .06rem;
    &__content {
      margin-top: .12rem;
      line-height: .22rem;
      border: none;
      outline: none;
      width: 100%;
      background: none;
      font-size: .16rem;
      color: $content-notice-fontcolor;
      &::placeholder {
        color: $content-notice-fontcolor;
      }
    }
  }
  &__login-button {
    margin: .32rem .4rem .16rem .4rem;
    line-height: .48rem;
    background: #0091FF;
    box-shadow: 0 .04rem .08rem 0 rgba(0,145,255,0.32);
    border-radius: .04rem;
    border-radius: .04rem;
    color: $bgColor;
    font-size: .16rem;
    text-align: center;
  }
  &__login-link {
    text-align: center;
    font-size: .14rem;
    color: $content-notice-fontcolor;
  }
}
</style>
